Home / 15,534.40-23,317.05-7,216.30

Finding the Fourth Proportional to 15,534.40, 23,317.05 and 7,216.30

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Solution

The fourth proportional to 15,534.40, 23,317.05 and 7,216.30 is: 10,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534.40 : 23,317.05 = 7,216.30 : x
  2. Step 2: Convert to fraction form
    15,534.40/23,317.05 = 7,216.30/x
  3. Step 3: Cross multiply
    15,534.40x = 23,317.05 × 7,216.30
  4. Step 4: Simplify right side
    15,534.40x = 168,262,827.92
  5. Step 5: Solve for x
    x = 168,262,827.92/15,534.40
  6. Step 6: Final answer
    x = 10,831.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.